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ASoC: Allow machines to ignore pmdown_time per-link

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With this flag, each dai_link in machine driver can choose
to ignore pmdown_time during DAPM shut down sequence.

If the ignore_pmdown_time is set, the DAPM for corresponding DAI
will be executed immediately.

Signed-off-by: Ramesh Babu K V <ramesh.babu@linux.intel.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
ramesh.babu@linux.intel.com 2011-10-27 12:12:33 +05:30 committed by Mark Brown
parent 9c173d15f9
commit e50fad4f02
2 changed files with 5 additions and 1 deletions
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3
include/sound/soc.h
View file

@ -718,6 +718,9 @@ struct snd_soc_dai_link {
/* Symmetry requirements */
unsigned int symmetric_rates:1;
/* pmdown_time is ignored at stop */
unsigned int ignore_pmdown_time:1;
/* codec/machine specific init - e.g. add machine controls */
int (*init)(struct snd_soc_pcm_runtime *rtd);

3
sound/soc/soc-pcm.c
View file

@ -319,7 +319,8 @@ static int soc_pcm_close(struct snd_pcm_substream *substream)
cpu_dai->runtime = NULL;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
if (unlikely(codec->ignore_pmdown_time)) {
if (unlikely(codec->ignore_pmdown_time ||
rtd->dai_link->ignore_pmdown_time)) {
/* powered down playback stream now */
snd_soc_dapm_stream_event(rtd,
codec_dai->driver->playback.stream_name,